Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities:
Net income (loss)	$ 22,866	$ (494)
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for credit losses	10,000	53,479
Depreciation and amortization	6,832	7,476
Deferred taxes	0	(145)
Amortization of intangibles	763	854
Amortization of debt securities premium and discount, net	2,820	1,813
Share-based compensation expense	562	617
Security gains, net	(74)	(17)
Net deferred loan origination expense	(2,006)	(2,127)
Excess tax benefit from exercise of stock options	0	(4)
Decrease (increase) in interest receivable	1,258	(80)
Decrease in interest payable	(992)	(1,098)
Realized gain on mortgages sold	(11,879)	(7,486)
Proceeds from mortgages sold	376,931	244,030
Origination of mortgages held for sale	(395,149)	(202,796)
Increase in bank-owned life insurance	(2,612)	(924)
Decrease (increase) in prepaid pension asset	465	(93)
Decrease in prepaid deposit insurance assessments	5,187	4,887
Other, net	29,584	(18,026)
Net cash provided by operating activities	44,556	79,866
Investing activities:
Proceeds from calls and maturities of held-to-maturity securities	0	88,896
Proceeds from calls and maturities of available-for-sale securities	131,578	22,576
Purchases of held-to-maturity securities	0	(143,549)
Purchases of available-for-sale securities	(199,404)	(77,349)
Net decrease in loans and leases	117,050	66,339
Purchases of premises and equipment	(5,925)	(4,453)
Proceeds from sale of premises and equipment	906	17
Contingency earn-out payment	0	(1,200)
Other, net	(8)	(16)
Net cash provided by (used in) investing activities	44,197	(48,739)
Financing activities:
Net increase (decrease) in deposits	127,133	(25,907)
Net increase (decrease) in short-term debt and other liabilities	27,153	(18,826)
Issuance of common stock	108,677	0
Excess tax benefit from exercise of stock options	0	4
Payment of cash dividends	(944)	(9,183)
Net cash provided by (used in) financing activities	262,019	(53,912)
Increase (decrease) in cash and cash equivalents	350,772	(22,785)
Cash and cash equivalents at beginning of period	499,344	272,086
Cash and cash equivalents at end of period	$ 850,116	$ 249,301